<div id="row2" class="button-container">
    <button action="left" class="icon keyboard_arrow_left" vibrate></button>
    <button action="right" class="icon keyboard_arrow_right" vibrate></button>
    <button action="up" class="icon keyboard_arrow_up" vibrate></button>
    <button action="down" class="icon keyboard_arrow_down" vibrate></button>
    <button action="moveline-up" class="icon moveline-up" vibrate></button>
    <button action="moveline-down" class="icon moveline-down" vibrate></button>
    <button action="copyline-up" class="icon copyline-up" vibrate></button>
    <button action="copyline-down" class="icon copyline-down" vibrate></button>
</div>